/ Dictionary / Index F FICA: Meaning and Definition of Find definitions for: FICA Pronunciation: (fī'ku, fē'-), [key] Federal Insurance Contributions Act: U.S. government legislation under which taxes are levied for the support of Social Security. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fica (Thesaurus) -fic -fication Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language